package com.example.day01;

/**
 * @author Lenovo
 */
public class Demo {
    public static void main(String[] args) {
        System.out.println(10);
        System.out.println(5.5);
        System.out.println("a");
        System.out.println(true);
        System.out.println("欢迎来到黑马程序员");
    }
}
